The document discusses calculating area. It defines area as involving the space inside of a 2-D object with units always being squared. It provides the formula for calculating the area of a parallelogram as area equals base times height. There are certain steps required to solve area problems: 1) write the formula, 2) fill in known information leaving one variable, 3) use algebra to solve for the missing variable, 4) provide the answer with units. Examples of applying the area formula to different shapes are also provided.

1. What is AREA?????
How would you calculate the area of this?
area_rectangles.flp

2. AREA-
Area involves the SPACE inside of a 2-D object
-The units involved are ALWAYS squared
h
b
Area of a paralleogram = bh
Take note that the HEIGHT of an object is the perependicular
to the base.

3. 8.1 and 8.2- Area
ALL you are doing is applying formulas to problems to solve for a missing
piece
There are certain steps that are REQUIRED:
1. Write down the BLANK formula you pick
2. FILL in the info you have (as a result ONE variable should be left--that
is what you are solving for)
3. Then using ALGEBRA solve for the missing variable
4. Answer and units
EX. A=1/2 bh
A = 1/2 (4)(6)
7
A= 12 cm2
6
the whole base
4

4. So piece by piece the formulas needed.......
Name Formula Variables Diagram

5. Many of these problems require you to THINK!!!!
It will not be as easy as quot;find the areaquot;
Some will ask you to find the area of 2 shapes and add or
subtract them.
40
5
10
22
Some will give you the Area and ask you to work backwards.
Area is 24cm2
What is the base?
6
b

10. 21 cm
32 cm

12. Find Area
12 cm
35 cm
11 cm
13cm 13cm
d1 = 46

16. 14 cm
Area = 224 cm2
Find diagonal 1
14 cm